762
FNCA52 TJSJ 101930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST FRI APR 10 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-110800-
SOUTHEAST COASTAL PLAINS-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 0 20 20 30
TEMP (24H TREND) 70 (-3) 88 (+2) 70 88
RH % (24H TREND) 93 (+7) 53 (-3) 93 52
WIND 20FT/EARLY(MPH) E 12 E 13 E 12 E 14
WIND 20FT/LATE(MPH) NE 10 SE 14 NE 10 E 17
MIXING HGT(FT-AGL/MSL) 4620 4500
TRANSPORT WND (MPH) E 14 E 14
VENT RATE (KT-FT) 55440 54000
DISPERSION 5 5
DSI 3 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-110800-
SOUTHERN HILLS-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 0 30 20 50
TEMP (24H TREND) 67 (-4) 84 (+3) 67 84
RH % (24H TREND) 99 (+5) 64 (-3) 99 64
WIND 20FT/EARLY(MPH) E 10 E 10 E 10 E 11
WIND 20FT/LATE(MPH) E 9 SE 11 NE 10 E 12
MIXING HGT(FT-AGL/MSL) 5520 5380
TRANSPORT WND (MPH) E 12 E 12
VENT RATE (KT-FT) 55200 53800
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-110800-
NORTH COASTAL PLAINS-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 40 20 50
TEMP (24H TREND) 70 (-2) 88 (+1) 69 87
RH % (24H TREND) 100 (+4) 61 (-1) 100 63
WIND 20FT/EARLY(MPH) E 12 E 12 E 11 E 12
WIND 20FT/LATE(MPH) SE 8 E 14 E 10 E 14
MIXING HGT(FT-AGL/MSL) 4650 4600
TRANSPORT WND (MPH) E 12 E 13
VENT RATE (KT-FT) 46500 50600
DISPERSION 5 5
DSI 3 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-110800-
NORTHERN HILLS-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 0 50 20 70
TEMP (24H TREND) 67 (-3) 87 (+1) 67 86
RH % (24H TREND) 99 (+2) 63 (+2) 100 64
WIND 20FT/EARLY(MPH) SE 9 E 10 E 9 E 11
WIND 20FT/LATE(MPH) SE 5 E 12 E 8 E 13
MIXING HGT(FT-AGL/MSL) 5870 5530
TRANSPORT WND (MPH) E 7 E 10
VENT RATE (KT-FT) 35220 49770
DISPERSION 5 5
DSI 2 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-110800-
WEST COAST-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 0 40 20 50
TEMP (24H TREND) 70 (-1) 89 (+1) 68 88
RH % (24H TREND) 97 (+1) 61 (-3) 99 61
WIND 20FT/EARLY(MPH) E 9 E 10 E 9 E 11
WIND 20FT/LATE(MPH) E 10 E 10 E 9 E 12
MIXING HGT(FT-AGL/MSL) 4870 4870
TRANSPORT WND (MPH) E 7 E 8
VENT RATE (KT-FT) 29220 34090
DISPERSION 5 5
DSI 3 5 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-110800-
EASTERN INTERIOR-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 30 30 50
TEMP (24H TREND) 69 (-3) 85 (+1) 68 85
RH % (24H TREND) 99 (+4) 64 (-1) 100 65
WIND 20FT/EARLY(MPH) E 11 SE 12 E 11 E 11
WIND 20FT/LATE(MPH) SE 10 SE 12 E 11 E 11
MIXING HGT(FT-AGL/MSL) 5400 5520
TRANSPORT WND (MPH) E 13 E 12
VENT RATE (KT-FT) 59400 55200
DISPERSION 5 5
DSI 3 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-110800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 40 30 50 50
TEMP (24H TREND) 66 (-4) 81 (+3) 66 80
RH % (24H TREND) 100 (+2) 71 (-3) 100 71
WIND 20FT/EARLY(MPH) E 10 SE 11 E 10 E 10
WIND 20FT/LATE(MPH) E 8 SE 11 E 8 E 10
MIXING HGT(FT-AGL/MSL) 4140 4000
TRANSPORT WND (MPH) E 14 E 13
VENT RATE (KT-FT) 49680 44000
DISPERSION 5 5
DSI 5 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-110800-
CENTRAL MOUNTAIN RANGE-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 0 50 20 60
TEMP (24H TREND) 65 (-3) 84 (+4) 64 83
RH % (24H TREND) 99 (+2) 65 (-3) 100 66
WIND 20FT/EARLY(MPH) SE 6 SE 6 E 6 E 8
WIND 20FT/LATE(MPH) LGT/VAR SE 8 E 6 E 9
MIXING HGT(FT-AGL/MSL) 6690 6090
TRANSPORT WND (MPH) E 7 E 9
VENT RATE (KT-FT) 40140 48720
DISPERSION 5 5
DSI 1 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-110800-
CAYEY MOUNTAIN RANGE-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 30 50
TEMP (24H TREND) 67 (-3) 80 (+2) 67 80
RH % (24H TREND) 100 (+1) 72 (0) 100 71
WIND 20FT/EARLY(MPH) E 9 E 9 E 8 E 10
WIND 20FT/LATE(MPH) E 8 SE 10 E 8 E 10
MIXING HGT(FT-AGL/MSL) 4840 4670
TRANSPORT WND (MPH) E 13 E 12
VENT RATE (KT-FT) 53240 46700
DISPERSION 5 5
DSI 3 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-110800-
VIEQUES-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 40 30 50 50
TEMP (24H TREND) 73 (-2) 85 (0) 72 85
RH % (24H TREND) 94 (+4) 63 (0) 95 63
WIND 20FT/EARLY(MPH) E 13 E 13 E 13 E 13
WIND 20FT/LATE(MPH) E 13 E 13 E 13 E 12
MIXING HGT(FT-AGL/MSL) 2820 2750
TRANSPORT WND (MPH) E 17 E 14
VENT RATE (KT-FT) 42300 33000
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-110800-
CULEBRA-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 40 30 30 50
TEMP (24H TREND) 73 (-3) 87 (+1) 74 87
RH % (24H TREND) 97 (+8) 63 (-1) 96 62
WIND 20FT/EARLY(MPH) E 13 E 13 E 13 E 13
WIND 20FT/LATE(MPH) E 13 E 13 E 13 E 12
MIXING HGT(FT-AGL/MSL) 2830 2800
TRANSPORT WND (MPH) E 16 E 16
VENT RATE (KT-FT) 39620 39200
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-110800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 0 20 20 30
TEMP (24H TREND) 71 (-2) 89 (+2) 69 89
RH % (24H TREND) 91 (0) 52 (-4) 97 51
WIND 20FT/EARLY(MPH) E 13 E 14 E 12 E 16
WIND 20FT/LATE(MPH) E 13 SE 16 E 12 E 17
MIXING HGT(FT-AGL/MSL) 5120 5070
TRANSPORT WND (MPH) E 14 E 15
VENT RATE (KT-FT) 61440 65910
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-110800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 20 30 40
TEMP (24H TREND) 73 (-3) 85 (+1) 73 85
RH % (24H TREND) 96 (+9) 62 (-3) 96 61
WIND 20FT/EARLY(MPH) E 13 E 14 E 13 E 13
WIND 20FT/LATE(MPH) E 13 E 14 E 13 E 12
MIXING HGT(FT-AGL/MSL) 2870 2870
TRANSPORT WND (MPH) E 17 E 16
VENT RATE (KT-FT) 43050 40180
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-110800-
ST CROIX-
330 PM AST FRI APR 10 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 40 30
TEMP (24H TREND) 72 (-3) 86 (+1) 72 86
RH % (24H TREND) 96 (+8) 63 (-3) 96 63
WIND 20FT/EARLY(MPH) E 13 E 14 E 13 E 13
WIND 20FT/LATE(MPH) E 13 E 14 E 13 E 13
MIXING HGT(FT-AGL/MSL) 4230 4180
TRANSPORT WND (MPH) E 18 E 16
VENT RATE (KT-FT) 67680 58520
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page